/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import type ts from 'typescript';

export type ArrayAccess = {
  pos: number;
  accessingIdentifier: 'number' | ts.Identifier | ts.Expression;
  arrayIdent: ts.Identifier;
};

export type UncheckedIdentifier = ts.Identifier | typeof NUMBER_LITERAL | undefined;
export type CheckedIdentifier = ts.Identifier | typeof NUMBER_LITERAL;

export const NUMBER_LITERAL = 'number';
export const LENGTH_IDENTIFIER = 'length';
export enum LoopConditionChecked {
  LEFT,
  RIGHT,
  NOT_CHECKED
}

export enum CheckResult {
  SKIP,
  HAS_ARRAY_ACCES,
  CHECKED
}
